The unlike terms not having the same literal coefficients.
For example:
(i) 5ab, 5a, 5ac are unlike terms because they do not have identical variables.
(iii) 2x, 2y, 2m are unlike terms.
Now look at the terms of the following polynomials:
(i) 11a^{2}b^{2} + 3ab^{2}We observe that the three terms of the trinomial have same variables (m) raised to different
powers. So, the above trinomial is made up of three unlike or dissimilar terms.
Examples to identify unlike or dissimilar terms:
Identify which pairs contain unlike terms in the following:
(i) 5ab, 7ab
(ii) 3x, 4x^{2}(vi) –xy, 7yx
Solution:
(i) 5ab, 7ab
The terms 5ab and 7ab have same literal factors (ab) so this pair is a like term.
(iii) m, n
The terms m and n have different literal factors so this pair is an unlike term.
(vi) –xy, 7yx
The terms –xy and 7yx have same literal factors (xy) so this pair is a like term.
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Adding and Subtracting Like Terms
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● Terms - Worksheets
Worksheet on Like and Unlike Terms
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Worksheet on Adding and Subtracting Like Terms
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Worksheet on Addition of Unlike Terms